187
FNCA52 TJSJ 070730
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 AM AST THU MAY 7 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-072000-
SOUTHEAST COASTAL PLAINS-
330 AM AST THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 20 0 10
TEMP (24H TREND) 89 (+1) 71 (-3) 90
RH % (24H TREND) 59 (+2) 95 (+2) 51
WIND 20FT/EARLY(MPH) E 12 E 11 E 12
WIND 20FT/LATE(MPH) SE 12 NE 10 SE 14
MIXING HGT(FT-AGL/MSL)4270 5280
TRANSPORT WND (MPH) E 12 E 12
VENT RATE (KT-FT) 42700 52800
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ015-072000-
SOUTHERN HILLS-
330 AM AST THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 0 20
TEMP (24H TREND) 86 (+2) 67 (-5) 87
RH % (24H TREND) 64 (-1) 99 (+4) 55
WIND 20FT/EARLY(MPH) E 10 E 10 E 10
WIND 20FT/LATE(MPH) SE 10 NE 10 SE 10
MIXING HGT(FT-AGL/MSL)5340 6060
TRANSPORT WND (MPH) SE 10 E 9
VENT RATE (KT-FT) 48060 48480
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ016-072000-
NORTH COASTAL PLAINS-
330 AM AST THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 10 10
TEMP (24H TREND) 89 (0) 71 (-3) 90
RH % (24H TREND) 59 (-2) 98 (+2) 53
WIND 20FT/EARLY(MPH) E 11 E 12 E 13
WIND 20FT/LATE(MPH) E 14 E 11 NE 16
MIXING HGT(FT-AGL/MSL)4480 4730
TRANSPORT WND (MPH) E 9 E 12
VENT RATE (KT-FT) 35840 47300
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ017-072000-
NORTHERN HILLS-
330 AM AST THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 30 0 20
TEMP (24H TREND) 87 (-1) 69 (-2) 88
RH % (24H TREND) 62 (+1) 99 (+2) 55
WIND 20FT/EARLY(MPH) E 9 E 11 E 11
WIND 20FT/LATE(MPH) NE 12 E 10 NE 13
MIXING HGT(FT-AGL/MSL)5950 5700
TRANSPORT WND (MPH) SE 7 E 8
VENT RATE (KT-FT) 35700 39900
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ018-072000-
WEST COAST-
330 AM AST THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 20 40
TEMP (24H TREND) 90 (0) 71 (-2) 91
RH % (24H TREND) 61 (-1) 100 (+3) 55
WIND 20FT/EARLY(MPH) E 11 E 12 E 12
WIND 20FT/LATE(MPH) SE 11 E 12 SE 11
MIXING HGT(FT-AGL/MSL)5000 4950
TRANSPORT WND (MPH) E 8 SE 6
VENT RATE (KT-FT) 35000 24750
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ019-072000-
EASTERN INTERIOR-
330 AM AST THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 10 10
TEMP (24H TREND) 87 (+1) 69 (-4) 88
RH % (24H TREND) 62 (-1) 99 (+2) 54
WIND 20FT/EARLY(MPH) E 11 E 10 E 10
WIND 20FT/LATE(MPH) E 11 E 10 E 11
MIXING HGT(FT-AGL/MSL)4900 6440
TRANSPORT WND (MPH) SE 10 E 9
VENT RATE (KT-FT) 44100 51520
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ022-072000-
LUQUILLO MOUNTAIN RANGE-
330 AM AST THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 10 10
TEMP (24H TREND) 82 (+2) 67 (-4) 83
RH % (24H TREND) 68 (-3) 100 (+1) 60
WIND 20FT/EARLY(MPH) E 10 E 8 E 9
WIND 20FT/LATE(MPH) E 10 E 8 E 10
MIXING HGT(FT-AGL/MSL)4260 4580
TRANSPORT WND (MPH) E 10 E 10
VENT RATE (KT-FT) 38340 41220
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ023-072000-
CENTRAL MOUNTAIN RANGE-
330 AM AST THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 10 40
TEMP (24H TREND) 85 (+3) 65 (-4) 86
RH % (24H TREND) 64 (-2) 100 (+3) 57
WIND 20FT/EARLY(MPH) E 8 E 8 E 9
WIND 20FT/LATE(MPH) SE 8 E 9 E 8
MIXING HGT(FT-AGL/MSL)6780 7260
TRANSPORT WND (MPH) SE 7 NE 6
VENT RATE (KT-FT) 40680 36300
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ024-072000-
CAYEY MOUNTAIN RANGE-
330 AM AST THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 10 20
TEMP (24H TREND) 82 (+1) 68 (-3) 83
RH % (24H TREND) 69 (-1) 100 (+1) 59
WIND 20FT/EARLY(MPH) E 9 E 8 E 9
WIND 20FT/LATE(MPH) E 9 NE 9 E 10
MIXING HGT(FT-AGL/MSL)4710 5480
TRANSPORT WND (MPH) E 9 E 10
VENT RATE (KT-FT) 37680 49320
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ025-072000-
VIEQUES-
330 AM AST THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 10 10
TEMP (24H TREND) 87 (+1) 74 (-2) 86
RH % (24H TREND) 60 (-4) 89 (-3) 57
WIND 20FT/EARLY(MPH) E 13 E 12 E 13
WIND 20FT/LATE(MPH) E 11 E 12 E 10
MIXING HGT(FT-AGL/MSL)3250 3550
TRANSPORT WND (MPH) E 14 E 13
VENT RATE (KT-FT) 39000 39050
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ026-072000-
CULEBRA-
330 AM AST THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 40 0 20
TEMP (24H TREND) 89 (+2) 75 (-2) 89
RH % (24H TREND) 58 (-8) 87 (-2) 56
WIND 20FT/EARLY(MPH) E 13 E 13 E 12
WIND 20FT/LATE(MPH) E 11 E 12 E 10
MIXING HGT(FT-AGL/MSL)3420 3460
TRANSPORT WND (MPH) E 14 E 15
VENT RATE (KT-FT) 41040 44980
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ027-072000-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 AM AST THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 10 30
TEMP (24H TREND) 91 (+2) 71 (-4) 91
RH % (24H TREND) 57 (0) 98 (+6) 50
WIND 20FT/EARLY(MPH) E 14 E 10 E 14
WIND 20FT/LATE(MPH) SE 16 E 10 SE 17
MIXING HGT(FT-AGL/MSL)4700 5010
TRANSPORT WND (MPH) E 14 E 13
VENT RATE (KT-FT) 56400 55110
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ001-072000-
SAINT THOMAS AND SAINT JOHN-
330 AM AST THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 30 0 10
TEMP (24H TREND) 86 (+1) 74 (-3) 86
RH % (24H TREND) 60 (-7) 88 (0) 58
WIND 20FT/EARLY(MPH) E 14 E 13 E 13
WIND 20FT/LATE(MPH) E 11 E 13 E 12
MIXING HGT(FT-AGL/MSL)3370 3400
TRANSPORT WND (MPH) E 13 E 13
VENT RATE (KT-FT) 37070 37400
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ002-072000-
ST CROIX-
330 AM AST THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 10 10
TEMP (24H TREND) 87 (+1) 73 (-4) 87
RH % (24H TREND) 62 (-5) 90 (-1) 59
WIND 20FT/EARLY(MPH) E 13 E 13 E 13
WIND 20FT/LATE(MPH) E 10 E 12 E 11
MIXING HGT(FT-AGL/MSL)4550 4440
TRANSPORT WND (MPH) E 12 E 13
VENT RATE (KT-FT) 45500 48840
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
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